The pump can start water drainage task once the motor connected with the shaft coupling is started up.

启动与联轴器相接的电动机，水泵运转即可进行排水作业。

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The pump can start water drainage task once the motor connected with the shaft coupling is started up.

启动与联轴器相接的电动机，水泵运转即可进行排水作业。

youdao